[petsc-users] Eigenvalue solver method in Petsc

[Barry Smith]

On Mar 17, 2013, at 5:42 PM, Satish Balay <balay at mcs.anl.gov> wrote:

> On Sun, 17 Mar 2013, Barry Smith wrote:
> 
>> 
>> On Mar 17, 2013, at 5:37 PM, Satish Balay <balay at mcs.anl.gov> wrote:
>> 
>>> On Sun, 17 Mar 2013, Barry Smith wrote:
>>> 
>>>> 
>>>> On Mar 17, 2013, at 3:51 PM, Satish Balay <balay at mcs.anl.gov> wrote:
>>>> 
>>>>> On Sun, 17 Mar 2013, Sonya Blade wrote:
>>>>> 
>>>>>>>>> Cygwin is required to build PETSc, but not to use it.
>>>>>>>> How about the MSys interface, which I've already installed.
>>>>>>> 
>>>>>>> Not currently, as far as I know.
>>>>>> 
>>>>>>> whats your compiler requirement? And why?
>>>>>> I use gfortran which ships with MinGW and with Msys I feel more
>>>>>> comfortable.
>>>>> 
>>>>> Are you looking at sequential use of PETSc - or parallel? I see mpich
>>>>> doesn't work with msys/mingw.
>>>> 
>>>>  And why not.
>>> 
>>> Sorry - forgot to post this link.
>>> http://lists.mcs.anl.gov/pipermail/mpich-discuss/2010-July/007458.html
>>> 
>>>> It is far more natural than cygwin.
>>> 
>>> How so? Even python [which is now considered a universal requirement?] doesn't compile on it.
>> 
>>  Why compile python? Windows already has a perfectly good python to use.
> 
> Our build tools don't work with MS paths.

   Buildsystem does, as does cmake. Which ones don't work?

  Barry

> 
> Satish
> 
>> 
>>> 
>>> Satish
>>> 
>>>> 
>>>>> 
>>>>> You can try an install of petsc with msys - and see if it works. If not send
>>>>> us logs at petsc-maint.
>>>>> 
>>>>> [its possible things won't work - and you would have to use
>>>>> cygwin/gfortran. Presumably it shouldn't conflict with your msys
>>>>> install]
>>>>> 
>>>>> Satish
>>>> 
>>>> 
>>> 
>> 
>> 
>